198131640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{235871}}^1$

素因数の和:235892

約数の個数: 64

約数和(自身を含む): 679311360

約数和(自身を除く): 481179720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 235871, 471742, 707613, 943484, 1179355, 1415226, 1651097, 1886968, 2358710, 2830452, 3302194, 3538065, 4717420, 4953291, 5660904, 6604388, 7076130, 8255485, 9434840, 9906582, 13208776, 14152260, 16510970, 19813164, 24766455, 28304520, 33021940, 39626328, 49532910, 66043880, 99065820, 198131640]

約数ペア:

[(1, 198131640), (2, 99065820), (3, 66043880), (4, 49532910), (5, 39626328), (6, 33021940), (7, 28304520), (8, 24766455), (10, 19813164), (12, 16510970), (14, 14152260), (15, 13208776), (20, 9906582), (21, 9434840), (24, 8255485), (28, 7076130), (30, 6604388), (35, 5660904), (40, 4953291), (42, 4717420), (56, 3538065), (60, 3302194), (70, 2830452), (84, 2358710), (105, 1886968), (120, 1651097), (140, 1415226), (168, 1179355), (210, 943484), (280, 707613), (420, 471742), (840, 235871)]